More from Chalkdust
The big argument: What’s the best way to end a proof?
QED or $\square$?
Pawns, puzzles, and proofs
Dimitrios Roxanas tells us why playing chess backwards is the new black (and white).
How to make: Ecki the polytope
Make your own Ecki
Christmas competition #1: ‘You can’t polish a nerd’
Win a DVD boxset from Festival of the spoken nerd in our first Christmas competition!
Visualising mathematics with 3D printing
Using modern technology to understand geometry
The perils of p-values
David Colquhoun explains why more discoveries are false than you thought